6 External Sound Card 5.1/7.1 Surround Sound USB 2.0 External

6 External Sound Card 5.1/7.1 Optical S/PDIF Audio Sound Card Adapter Features: 1. USB 2.0: This product has USB 2.0 interface, fast and stable transmission speed, supports USB full-speed transmission specification up to 12Mbps, and is backward compatible with USB 1.1. 2. 5.1/7.1 : This product adopts multi- tenology, supports 5.1/7.1 , realizes dynamic sound, and provides dynamic rotating sound field. 3. High-fidelity sound: This product can replace your damaged sound card or update the existing integrated audio on your laptop to provide you with high-fidelity surround sound. 4. Multiple protection: This product has built-in overvoltage, overcurrent, leakage and short circuit protection devices, whi are safer and more reliable to use. 5. Sample rate up to 48KHz: This product supports sampling rates of 32 KHz, 44.1 KHz and 48 KHz in digital and analog recording and digital/analog audio playback. In digital playback mode, it receives audio streams from a PC via a USB interface and transmits audio data according to AES / EBU, IEC 60958, S / PDIF consumer interface standards. Only R, L PCM audio in 5.1 can be transmitted in digital playback mode. In analog playback mode, it supports 6- ecs for analog playback. In digital recording mode, it receives S / PDIF digital audio input and sends back to PC.Three sample rate via USB; including 32KHZ, 44.1KHZ internal auto lock, in analog recording mode, analog recording supports a fixed 48khz sampling rate. Descriptions: 1. This external sound card provides a high quality solution for upgrading your PC or laptop audio, supporting professional 5.1 output and fiber SPDIF output, PC sound card amplifier and 5.1 speaker. You can set up your digital home theater to enjoy true AC-3 or DTS surround sound, or connect directly to 5.1 powered speakers. 2. This product is very suitable for HTPC home theater and friends with high sound quality requirements su as wating movies/games/K songs, plugging in ordinary headset voice at